====== map_LinInterp ======

===== Description =====

Calculate the value of a point in the map via linear interpolation of the nearest pixels. 

===== Function prototype =====

<code>bool CExtAPI::map_LinInterp(ZMAP hMap, double dx, double dy, void* pValue);</code>

===== Arguments =====

^ Name ^ Type ^ Comment ^
|  //hMap//  |  ZMAP  | A handle to a map whose value is to be retrieved. |
|  //dx//  |  double  | The x-coordinate of the point to be sampled. |
|  //dy//  |  double  | The y-coordinate of the point to be sampled. |
|  //pValue//  |  void*  | A pointer (of unknown type) to the user-supplied entity to receive the pixel value. |

===== Return value =====

False if an error occurred, and true otherwise. 

===== Comments =====

None.